Question:
Identify the Iminostilbene analog?
Identify the Iminostilbene analog?
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Several anti-epileptic drugs are named after the core ring system they are built on. The iminostilbene ring is a special three-ring structure.
Updated On: Jun 24, 2026
- Phenytoin
- Ethotoin
- Lamotrigine
- Carbamazepine
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The Correct Option is D
Solution and Explanation
Concept:
Several anti-epileptic drugs are named after the core ring system they are built on. The iminostilbene ring is a special three-ring structure.
Step 1:
Carbamazepine is built on the iminostilbene (dibenzazepine) ring system, so it is the iminostilbene analog.
Step 2:
Phenytoin and Ethotoin are hydantoin-type drugs, and Lamotrigine is a triazine, so none of these share the iminostilbene core.
Answer: Option (4) — Carbamazepine.
Several anti-epileptic drugs are named after the core ring system they are built on. The iminostilbene ring is a special three-ring structure.
Step 1:
Carbamazepine is built on the iminostilbene (dibenzazepine) ring system, so it is the iminostilbene analog.
Step 2:
Phenytoin and Ethotoin are hydantoin-type drugs, and Lamotrigine is a triazine, so none of these share the iminostilbene core.
Answer: Option (4) — Carbamazepine.
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